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crankshaft

[krangk-shaft, -shahft] /ˈkræŋkˌʃæft, -ˌʃɑft/
noun, Machinery
1.
a shaft having one or more cranks, usually formed as integral parts.
Origin
1850-1855
1850-55; crank1 + shaft
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for crank-shaft

crankshaft

/ˈkræŋkˌʃɑːft/
noun
1.
a shaft having one or more cranks, esp the main shaft of an internal-combustion engine to which the connecting rods are attached
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for crank-shaft

crankshaft

n.

1854, from crank (v.) + shaft (n.). The basic form of the mechanism appears to date from Roman times.

Online Etymology Dictionary, © 2010 Douglas Harper
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